Finding the Fourth Proportional to 2,135,133.54, 2,946,193.59 and 1,275,511.26
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Solution
The fourth proportional to 2,135,133.54, 2,946,193.59 and 1,275,511.26 is: 1,760,031.88
Step by Step Solution
- Step 1: Write the proportion equation
2,135,133.54 : 2,946,193.59 = 1,275,511.26 : x - Step 2: Convert to fraction form
2,135,133.54/2,946,193.59 = 1,275,511.26/x - Step 3: Cross multiply
2,135,133.54x = 2,946,193.59 × 1,275,511.26 - Step 4: Simplify right side
2,135,133.54x = 3,757,903,098,184.82 - Step 5: Solve for x
x = 3,757,903,098,184.82/2,135,133.54 - Step 6: Final answer
x = 1,760,031.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.